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Airlocks and Bungs


We carry a wide range of essential fermentation accessories to meet your brewing needs. We have 3-piece airlocks, "S" shaped airlocks, and blow-off hosing options available, ensuring proper airlock functionality during fermentation. Additionally, you can find rubber bungs with drilled holes or solid bungs in various sizes, perfect for sealing carboys, fermenters, growlers, and more.

  • Original price $2.19 - Original price $2.19
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    Airlock - 3-Piece Cylindrical Bubbler

    The 3-Piece airlock is the best choice for the primary fermentor, since it comes apart for easy cleaning in the event of a blow-off. Fill to the li...

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    Original price $2.19 - Original price $2.19
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    Rubber Stopper - Drilled Carboy Bung (#6.5)

    #6.5 - This rubber stopper is for typical glass carboys and our plastic buckets. Rubber stoppers provide an air-tight seal to carboys, necessary fo...

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    Original price $2.09 - Original price $2.09
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    Airlock - S-Type Bubbler

    This S-bubble airlock is the preferred choice for secondary fermenters, as it allows you to monitor the pressure in the fermenter. Fill to line wit...

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    Original price $2.19 - Original price $2.19
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    Current price $2.19
  • Original price $0.99 - Original price $0.99
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    Rubber Airlock Grommet for Bucket Lid

    Rubber grommet designed for plastic bucket lids, providing a secure fit for an airlock without the need for a conventional rubber bung.

    Original price $0.99 - Original price $0.99
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  • Original price $3.29 - Original price $3.29
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    Rubber Stopper - Drilled Carboy Bung for Fermonster (#10)

    Fits the Fermonster Carboys and Better Bottle Carboys. Rubber stoppers provide an air-tight seal to carboys, necessary for proper fermentation. BPA...

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    Original price $3.29 - Original price $3.29
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    $5.49
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    Rubber Double Spout Universal Carboy Blow-Off Cap

    These caps are used in place of rubber traditional stoppers; they easily fit on to MOST carboys (with an exception of the 1 gallon jug type carboy,...

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    Rubber Stopper - Solid Carboy Bung (#6.5)

    #6.5 - This rubber stopper is for typical glass carboys and our plastic buckets. Rubber stoppers provide an air-tight seal to carboys, necessary fo...

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    Original price $2.49 - Original price $2.49
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    Current price $2.49
  • Original price $8.59
    Original price $8.59 - Original price $8.59
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    Current price $8.09
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    Airlocks - 3-Piece Bubbler and #6.5 Carboy Bung (Pack of 2)

    Pack of 2 This 3-piece airlock is ideal for primary fermenters, as it allows you to monitor the CO2 release from the fermenter. Fill to line with b...

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    Original price $8.59
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    Current price $8.29
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    Airlocks - S-Type Bubbler and #6.5 Carboy Bung (Pack of 2)

    This S-bubble airlock is the preferred choice for secondary fermenters, as it allows you to monitor the pressure in the fermenter. Fill to line wit...

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    Original price $8.54
    Original price $8.54 - Original price $8.54
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    Current price $8.29
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  • Original price $6.59
    Original price $6.59 - Original price $6.59
    Original price $6.59
    Current price $5.99
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    Airlock - S-Type Bubbler (Pack of 3)

    Pack of 3. This S-bubble airlock is the preferred choice for secondary fermenters, as it allows you to monitor the pressure in the fermenter. Fil...

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    Original price $6.59
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    Original price $6.59
    Current price $5.99
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  • Original price $1.09 - Original price $1.09
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    Rubber Stopper - Drilled Bottle Bung (#2)

    #2 - This rubber stopper fits most standard sized bottles Size: 5 TopDiameter: (20mm 3/4") Bottom Diameter: (16mm 5/8") Length: (25mm 1') One Hole ...

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    Original price $1.09 - Original price $1.09
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  • Original price $2.79 - Original price $2.79
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    Rubber Stopper - Drilled Carboy Bung (#7.5)

    #7.5 - This rubber stopper is for typical plastic carboys and fits a 1000ml flask. Rubber stoppers provide an air-tight seal to carboys, necessary ...

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    Original price $2.79 - Original price $2.79
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    Rubber Stopper - Solid Carboy Bung (#7)

    Rubber stoppers provide an air-tight seal to carboys, necessary for proper fermentation. BPA free and made out of Food Grade materials. Maximum Te...

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    Original price $2.19 - Original price $2.19
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    $12.99
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    Rubber Stopper - Drilled Bung for Mason Jars (#13)

    #13 - This rubber stopper is for mason jars Size: 13 TopDiameter: (68mm 2-11/16') Bottom Diameter: (58mm 2-9/32') Length: (25mm 1') One Hole Diamet...

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    $12.99
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    Current price $12.99
  • Original price $4.49
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    Current price $3.39
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    Rubber Stopper - Drilled Carboy Bung (#11)

    Rubber stoppers provide an air-tight seal to carboys, necessary for proper fermentation. BPA free and made out of Food Grade materials. Maximum T...

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    Original price $4.49
    Original price $4.49 - Original price $4.49
    Original price $4.49
    Current price $3.39
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    Current price $3.39
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  • Original price $4.99 - Original price $4.99
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    Rubber Stopper - Drilled Carboy Bung for Demi-Johns (#9)

    Drilled, rubber bung. Fits most glass demi-johns. Top Diameter: 45mm, 1-25/32". Bottom Diameter: 37mm, 1-15/32". Length: 25mm, 1".

    Original price $4.99 - Original price $4.99
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    $2.19
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    Rubber Stopper - Drilled Carboy Bung (#5)

    #5 - This rubber stopper is for typical Big Mouth glass carboys, test tubes, flask stoppers or other bottles. Size: 5 TopDiameter: (27mm 1-1/16') B...

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    $4.99
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    Universal Stopper - Drilled for Demi-John 54 Lt (#11)

    Drilled, plastic bung with longer taper. Fits a wider range of demi-johns and carboys. Lip prevents bung from falling into carboy. 46 mm - Bottom 5...

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  • Original price $4.69 - Original price $4.69
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    Universal Stopper - Solid Carboy Bung (#11)

    Solid core, no airlock hole. Plastic bung with longer taper. Fits a wider range of demi-johns and carboys. Lip prevents bung from falling into carb...

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    Original price $4.69 - Original price $4.69
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  • Original price $13.14
    Original price $13.14 - Original price $13.14
    Original price $13.14
    Current price $12.49
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    Current price $12.49

    Airlock - 3-Piece Cylindrical Bubbler (Pack of 6)

    Pack of 6 airlocks. The 3-Piece airlock is the best choice for the primary fermenter, since it comes apart for easy cleaning in the event of a blow...

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    Original price $13.14
    Original price $13.14 - Original price $13.14
    Original price $13.14
    Current price $12.49
    $12.49 - $12.49
    Current price $12.49
    Save $0.65 Save $0.00
  • Original price $1.09
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    Current price $0.89
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    Rubber Stopper Solid Bung For Bottles (#2)

    #2 - This rubber stopper fits most standard sized bottles Size: 5 TopDiameter: (20mm 3/4") Bottom Diameter: (16mm 5/8") Length: (25mm 1')

    Original price $1.09
    Original price $1.09 - Original price $1.09
    Original price $1.09
    Current price $0.89
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    Current price $0.89
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    $4.39
    $4.39 - $4.39
    Current price $4.39

    Rubber Stopper Solid Bung for Better Bottle and Fermonster (#10)

    Rubber stoppers provide an air-tight seal to carboys, necessary for proper fermentation. BPA free and made out of Food Grade materials. Maximum T...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $4.39
    $4.39 - $4.39
    Current price $4.39
  • Original price $5.99 - Original price $5.99
    Original price
    $5.99
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    Current price $5.99

    Airlock - 3-Piece Cylindrical Bubbler with Grommet (Pack of 2)

    Pack of 2 The 3-Piece airlock is the best choice for the primary fermenter, since it comes apart for easy cleaning in the event of a blow-off. Fill...

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    Original price $5.99 - Original price $5.99
    Original price
    $5.99
    $5.99 - $5.99
    Current price $5.99
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    $3.79
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    Current price $3.79

    Rubber Stopper - Solid Carboy Bung (#8.5)

    Solid stopper Top Diameter: 1-1/16" (42.9mm) Bottom Diameter: 1-7/16" (36.6 mm) Length: Approximately 1"

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    Current price $3.79